Question about SCC Ethernet driver

[Pantelis Antoniou]

On Wednesday 18 January 2006 04:04, Dan Malek wrote:
> 
> On Jan 17, 2006, at 8:28 PM, David Tao wrote:
> 
> > Present MPC8260 SCC Ethernet driver supports one 10M Ethernet port for 
> > SCC1 or SCC2.
> 
> Not any more.  Take a look at drivers/net/fs_enet in the 2.6 kernels.
> I'm sure Pantelis will have more information when he reads this.
> 

The current driver (fs_enet) can handle enets on every SCC. Nobody has
tested this configuration yet however.

> > 1. Is it possible to implement 7 Ethernet ports (3 FCCs and 4 SCCs) on 
> > a MPC8270? I didn't see any hardware restriction on this. Performance 
> > may be an issue? 
> 
> Depends what you want to do with the data in the CPU core and the
> clock speeds you have chosen.  The CPM can handle the data traffic on
> the wires if you run it over 133 MHz.
>

Your main problem will be dual port RAM conflicts with other peripheral.
In theory CPM can handle it.

> Thanks.
> 
> 	-- Dan
> 

Regards

Pantelis